https://musicbrainz.org/tag/easy%20listening
https://en.wikipedia.org/wiki/Easy_listening
https://www.last.fm/tag/easy+listening
https://www.discogs.com/style/easy+listening
https://rateyourmusic.com/genre/easy+listening
https://www.allmusic.com/genre/easy-listening-ma0000002567
STYLE-1572 easy listening